.container {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  width: 960px;
  margin: 0 auto;
}

.item {
  display: block;
  width: 66px;
  height: 66px;
}

.item img {
  width: 100%;
  height: auto;
}

[class$="box"] {
  width: 204px;
  height: 204px;
  margin: 20px;
  background-image: linear-gradient(
    rgb(252, 213, 136) 33.3%,
    #fff493 0,
    #fdf45d 66.6%,
    #f8da47 0
  );
  background-size: 6px 6px;
}
/* 图片丢失，自己加的代码 */
.item {
  background-color: skyblue;
  border-radius: 50%;
}
/* TODO：待补充代码 */